Re:Wuhan lab staff sought hospital care before Covid-19 outb...
by graeme on Sunday May 23, 2021 @09:18PM
(#27260245)
SARS-COV-1 also used ACE2 receptors. In fact your article specifically discusses that, and suggests there was potential to use SARS-COV-1 vaccine development to create SARS-COV-2 vaccines.
The ACE2 receptor affinity is not novel.